Re: [PATCH v2 1/1] mm/madvise: replace ptrace attach requirement for process_madvise

From: James Morris
Date: Wed Jan 20 2021 - 00:09:38 EST


On Mon, 11 Jan 2021, Suren Baghdasaryan wrote:

> Replace PTRACE_MODE_ATTACH with a combination of PTRACE_MODE_READ
> and CAP_SYS_NICE. PTRACE_MODE_READ to prevent leaking ASLR metadata
> and CAP_SYS_NICE for influencing process performance.


Almost missed these -- please cc the LSM mailing list when modifying
capabilities or other LSM-related things.

--
James Morris
<jmorris@xxxxxxxxx>